now, after analyzing the first stage of the rocket they recover, south korea's defense ministry has warned that the technology involved shows that north korea already has the capability to fire a missile that could reach america's west coast. experts say it could be years before pyongyang is able to on such a missile with a nuclear warhead. but the concern is that if north korea conducts another nuclear test, you can learn more about how to miniaturized technology. which is a key step in building a nuclear weapons program. the missile comes as young north korea leader kim three seems to can consolidate his power. we are waiting to see if this affects china and their soup harris: you mentioned the evidence that south korea has found that the north will be able to fire at us, at our mainland, possibly come in the next two years. is there anything the south is doing at this point? people are feeling imminent danger. >> the south issued that warning about the capability about the missile tests. there is concern about the region, but it is very difficult to stop anything like that. we have some